I’m unsure if any error messages precipitated these events as the above events completely fill the log, around 50k~ events logged.

We previously encountered the above error messages several weeks ago. They reoccurred early every morning during the exchange maintenance window. We moved the passive exchange database on the passive server to active, and rebooted the former active database exchange server. During this process the database on that server moved to a failed & suspended state. We reseeded it with a “Update-MailboxDatabaseCopy –DeleteExistingFiles”, and then failed the database back over to it. The issue went away.

There is very sparse information available on this error message. The few postings I can find seem to indicate that some sort of database corruption may have occurred. Any thoughts on how we should proceed would be appreciated!

5 Replies

1st Post

Not that it helps you in anyway, but I'm suddenly having exactly that problem. All going well, then Monday morning started with several hundred event ID 1108 "Error 0x498 occurred during message background cleanup on database" logs over three minutes. Eventually this changed to "Stopped processing database", then event ID 489 "open file operation will fail with error - 1032 (0xfffffbf8)", then all Exchange databases were moved to the passive DAG partner, before the Information store faulted. Exchange is currently running on server one (DAG partner). I'll try moving the databases back to server two to see if the problem reoccurs, but what caused the problem initially and does the problem still exist on server two? Time will tell. I'll post if I find something.

1st Post

After working with Microsoft Exchange Engineer, it seems that the issue is related to Database Corruption. They suggest to split our Mailbox DB in two, migrate the users and get rid of the old DB. Also, they suggest to ensure everyone in the organization is using Cache Mode to decrease the RPC Request on the Mailbox Server. Hope this info helps.

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